-er -ol b-u bbb bbe bbf bbl bbm bbn bbo bbr bbs bbt bbu be- beb bee bef bel bem ben beo ber bes bet beu bfb bfe bff bfl bfm bfn bfo bfr bfs bft bfu blb ble blf bll blm bln blo blr bls blt blu bmb bme bmf bml bmm bmn bmo bmr bms bmt bmu bnb bne bnf bnl bnn bno bnr bns bnt bnu bob boe bof bol bom bon boo bor bos bot bou brb bre brf brl brm brn bro brr brs brt bru bsb bse bsf bsl bsm bsn bso bsr bss bst bsu btb bte btf btl btm btn bto btr bts btt btu bub bue buf bul bum bun buo bur bus but buu ebb ebe ebf ebl ebm ebn ebo ebr ebs ebt ebu eeb eee eef eel eem een eeo eer ees eet ef- efb efe eff efl efm efo efr efs eft elb ele elf ell elm eln elo elr els elt elu em- emb eme emf eml emm emn emo emr ems emt emu en- enb ene enf enl enm enn eno enr ens ent enu eo- eob eoe eof eol eom eon eoo eor eos eot eou erb ere erf erl erm ern ero err ers ert eru es- esb ese esf esl esm esn eso esr ess est esu etb ete etf etl etm etn eto etr ets ett etu eu- eub eue euf eul eun eur eus eut fbb fbe fbf fbl fbm fbn fbo fbr fbs fbt fbu feb fee fef fel fem fen feo fer fes fet feu ffe fff ffl ffm ffn ffo ffr ffs fft ffu flb fle flf fll flm fln flo flr fls flt flu fmb fme fmf fml fmm fmn fmo fmr fms fmt fmu fnb fne fnf fnl fnm fnn fnr fns fnt fnu fob foe fof fol fom fon foo for fos fot fou frb fre frf frl frm frn fro frr frs frt fru fsb fse fsf fsl fsm fsn fso fsr fss fst fsu ftb fte ftf ftl ftm ftn fto ftr fts ftt ftu fub fue fuf ful fum fun fuo fur fus fut fuu lbb lbe lbf lbl lbm lbo lbr lbs lbt lbu leb lee lef lel lem len leo ler les let leu lfb lfe lff lfl lfm lfn lfo lfr lfs lft lfu llb lle llf lll llm lln llo llr lls llt llu lmb lme lmf lml lmm lmn lmo lmr lms lmt lmu lnb lne lnl lnm lnn lno lnr lns lnt lnu lob loe lof lol lom lon loo lor los lot lou lrb lrf lrm lrn lro lrr lrs lrt lru lsb lse lsf lsl lsm lsn lso lsr lss lst lsu ltb lte ltf ltl ltm lto ltr lts ltt ltu lub lue luf lul lum lun luo lur lus lut luu m-f m-o m-r mbb mbe mbf mbl mbm mbo mbr mbs mbt mbu meb mee mef mel mem men meo mer mes met meu mfb mfe mff mfl mfm mfn mfo mfr mfs mft mfu mlb mle mlf mll mlm mln mlo mlr mls mlt mlu mmb mme mmf mml mmm mmn mmo mmr mms mmt mmu mnb mne mnf mnl mnm mnn mno mnr mns mnt mnu mob moe mof mol mom mon moo mor mos mot mou mrb mre mrf mrl mrm mrn mro mrr mrs mrt mru msb mse msf msl msm msn mso msr mss mst msu mtb mte mtf mtl mtm mtn mto mtr mts mtt mtu mub mue muf mul mum mun mur mus mut muu nbb nbe nbf nbl nbm nbn nbo nbr nbs nbt nbu ne- neb nee nef nel nem nen neo ner nes net neu nfb nfe nff nfl nfn nfo nfr nfs nft nfu nlb nle nlf nll nlm nln nlo nlr nls nlt nlu nmb nme nml nmm nmn nmo nmr nms nmt nmu nnb nne nnf nnl nnm nnn nno nns nnt nnu no- nob noe nof nol nom non noo nor nos not nou nrb nre nrf nrl nrm nrn nro nrr nrs nrt nru nsb nse nsf nsl nsm nsn nso nsr nss nst nsu ntb nte ntf ntm ntn nto ntr nts ntt ntu nub nue nul num nun nuo nur nus nut nuu ob- obb obe obf obl obm obn obo obr obs obt obu oeb oee oef oel oem oen oeo oer oes oet of- ofb ofe off ofl ofm ofn ofo ofr ofs oft ofu olb ole olf oll olm oln olo ols olt olu om- omb ome omf oml omm omn omo omr oms omt omu on- onb one onf onl onn ono onr ons ont onu oo- oob oof ool oom oon ooo oor oos oot or- orb ore orf orl orm orn oro orr ors ort oru os- osb ose osf osl osm osn oso osr oss ost osu ot- otb ote otf otl otm otn oto otr ots ott otu ou- oue ouf oul oum oun ouo our ous out rbb rbe rbf rbl rbm rbn rbo rbr rbs rbt rbu re- reb ree ref rel rem ren reo rer res ret reu rfb rfe rff rfl rfm rfn rfo rfr rfs rft rfu rle rlf rll rlm rln rlo rlr rls rlt rlu rmb rme rmf rml rmm rmn rmo rmr rms rmt rnb rnm rnn rno rnr rns rnt rnu rob roe rof rol rom ron roo ror ros rot rou rrb rrf rrl rrm rrn rrr rrs rrt rru rsb rse rsf rsl rsm rsn rso rsr rss rst rsu rtb rte rtf rtl rtm rtn rto rtr rts rtt rtu rub rue ruf rum run ruo rur rus rut ruu sbb sbe sbf sbl sbm sbn sbo sbr sbs sbt sbu se- seb see sef sel sem sen seo ser ses set seu sfb sfe sff sfl sfm sfn sfo sfr sfs sft sfu slb sle slf sll slm sln slo slr sls